<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="班级名字" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入班级名字"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <!-- <el-form-item label="最大人数" prop="maxNum">
        <el-input
          v-model="queryParams.maxNum"
          placeholder="请输入最大人数"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="创建人" prop="createUser">
        <el-input
          v-model="queryParams.createUser"
          placeholder="请输入创建人"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="修改人" prop="updateUser">
        <el-date-picker clearable
          v-model="queryParams.updateUser"
          type="date"
          value-format="yyyy-MM-dd"
          placeholder="请选择修改人">
        </el-date-picker>
      </el-form-item>
      <el-form-item label="授权码" prop="powerld">
        <el-input
          v-model="queryParams.powerld"
          placeholder="请输入授权码"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="${comment}" prop="userId">
        <el-input
          v-model="queryParams.userId"
          placeholder="请输入${comment}"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="${comment}" prop="nowNum">
        <el-input
          v-model="queryParams.nowNum"
          placeholder="请输入${comment}"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item> -->
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['classs:classes:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['classs:classes:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['classs:classes:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['classs:classes:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="classesList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="id" align="center" prop="id" />
      <el-table-column label="班级名字" align="center" prop="name" />
      <el-table-column label="最大人数" align="center" prop="maxNum" />
      <!-- <el-table-column label="创建人" align="center" prop="createUser" /> -->
      <!-- <el-table-column label="修改人" align="center" prop="updateUser" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.updateUser, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column> -->
      <el-table-column label="授权码" align="center" prop="powerld" />
      <!-- <el-table-column label="${comment}" align="center" prop="userId" /> -->
      <el-table-column label="状态" align="center" prop="status" >
        <template slot-scope="scope">
          <span style="margin-right: 10px;">{{ scope.row.status == '0' ? '停用' : '启用' }}</span>
        </template>
      </el-table-column>
      <!-- <el-table-column label="现在人数" align="center" prop="nowNum" /> -->
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['classs:classes:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['classs:classes:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改班级管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="班级名字" prop="name">
          <el-input v-model="form.name" placeholder="请输入班级名字" />
        </el-form-item>
        <el-form-item label="最大人数" prop="maxNum">
          <el-input v-model="form.maxNum" placeholder="请输入最大人数" />
        </el-form-item>
       <!-- <el-form-item label="创建人" prop="createUser">
          <el-input v-model="form.createUser" placeholder="请输入创建人" />
        </el-form-item>
        <el-form-item label="修改人" prop="updateUser">
          <el-date-picker clearable
            v-model="form.updateUser"
            type="date"
            value-format="yyyy-MM-dd"
            placeholder="请选择修改人">
          </el-date-picker> -->
        </el-form-item>
        <el-form-item label="授权码" prop="powerld">
          <el-input v-model="form.powerld" placeholder="请输入授权码" />
        </el-form-item>
        <el-form-item label="管理老师" prop="userId">
          <!-- <el-input v-model="form.userId" placeholder="请输入老师名字" >
          </el-input> -->
         <el-select v-model="form.userId" placeholder="请选择老师" clearable :style="{width: '100%'}" @click="selectUserId(item)">
            <el-option v-for="(item, index) in teacherList"  :label="item.name"
              :value="item.id" ></el-option>
          </el-select>
        </el-form-item>
  <!--     <el-form-item label="${comment}" prop="nowNum">
          <el-input v-model="form.nowNum" placeholder="请输入${comment}" />
        </el-form-item> -->
       </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listClasses, getClasses, delClasses, addClasses, updateClasses } from "@/api/classs/classes";
import { getTeacherList } from "../../../api/classs/classes";

export default {
  name: "Classes",
  data() {
    return {

      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 班级管理表格数据
      classesList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        maxNum: null,
        createUser: null,
        updateUser: null,
        powerld: null,
        userId: null,
        status: null,
        nowNum: null
      },
      // 表单参数
      form: {},
      formData: {
        field101: undefined,
      },
      // 表单校验
      rules: {
        field101: [{
          required: true,
          message: '请选择下拉选择',
          trigger: 'change'
        }],
      },
      teacherList: [{
        id:'',
        name:''
      }],
    };
  },
  created() {
    this.getTeachers(),
    this.getList()
  },
  methods: {
    selectUserId(item){
      this.form.userId=item.id
    },
    /** 查询班级管理列表 */
    getList() {
      this.loading = true;
      listClasses(this.queryParams).then(response => {
        this.classesList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    getTeachers(){
      getTeacherList().then(res=>{
        console.log(res.data);
        this.teacherList=res.data
      })
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        name: null,
        maxNum: null,
        createUser: null,
        updateUser: null,
        createTime: null,
        updateTime: null,
        powerld: null,
        userId: null,
        status: null,
        nowNum: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加班级管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getClasses(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改班级管理";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateClasses(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addClasses(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除班级管理编号为"' + ids + '"的数据项？').then(function() {
        return delClasses(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('classs/classes/export', {
        ...this.queryParams
      }, `classes_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
